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Diffstat (limited to 'usr.bin/csup/stream.h')
| -rw-r--r-- | usr.bin/csup/stream.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/usr.bin/csup/stream.h b/usr.bin/csup/stream.h new file mode 100644 index 0000000..2128635 --- /dev/null +++ b/usr.bin/csup/stream.h @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 2003-2006, Maxime Henrion <mux@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _STREAM_H_ +#define _STREAM_H_ + +#include "misc.h" + +/* Stream filters. */ +typedef enum { + STREAM_FILTER_NULL, + STREAM_FILTER_ZLIB, + STREAM_FILTER_MD5, + STREAM_FILTER_MD5RCS +} stream_filter_t; + +struct stream; +struct buf; + +typedef ssize_t stream_readfn_t(void *, void *, size_t); +typedef ssize_t stream_writefn_t(void *, const void *, size_t); +typedef int stream_closefn_t(void *); + +/* Convenience functions for handling file descriptors. */ +stream_readfn_t stream_read_fd; +stream_writefn_t stream_write_fd; +stream_closefn_t stream_close_fd; + +/* Convenience functions for handling character buffers. */ +stream_readfn_t stream_read_buf; +stream_writefn_t stream_append_buf; +stream_closefn_t stream_close_buf; + +struct stream *stream_open(void *, stream_readfn_t *, stream_writefn_t *, + stream_closefn_t *); +struct stream *stream_open_fd(int, stream_readfn_t *, stream_writefn_t *, + stream_closefn_t *); +struct stream *stream_open_buf(struct buf *); +struct stream *stream_open_file(const char *, int, ...); +int stream_fileno(struct stream *); +ssize_t stream_read(struct stream *, void *, size_t); +ssize_t stream_read_blocking(struct stream *, void *, size_t); +ssize_t stream_write(struct stream *, const void *, size_t); +char *stream_getln(struct stream *, size_t *); +int stream_printf(struct stream *, const char *, ...) + __printflike(2, 3); +int stream_flush(struct stream *); +int stream_sync(struct stream *); +int stream_truncate(struct stream *, off_t); +void stream_truncate_buf(struct buf *, off_t); +int stream_truncate_rel(struct stream *, off_t); +int stream_rewind(struct stream *); +int stream_eof(struct stream *); +int stream_close(struct stream *); +int stream_filter_start(struct stream *, stream_filter_t, void *); +void stream_filter_stop(struct stream *); + +struct buf *buf_new(size_t); +void buf_free(struct buf *); +#endif /* !_STREAM_H_ */ |
